All Questions
84
questions
0
votes
1
answer
43
views
Replace string ${FOO} by ${'$'}{BAR} with sed
I have this string occurring N times in a file: ${FOO}
that I have to replace by this string: ${'$'}{BAR}
This is my current state:
sed "s/\\${FOO}/\\${'\\$'}{BAR}/" file.txt but it raises &...
- 339k
32
votes
1
answer
9k
views
How to ensure that string interpolated into `sed` substitution escapes all metachars
I have a script that reads a text stream and generates a file of sed commands that is later run with sed -f. The generated sed commands are like:
s/cid:image002\.gif@01CC3D46\.926E77E0/https:\/\/...
- 554k
5
votes
2
answers
8k
views
Escaping blackslash in sed
I am trying to write a sed command to replace a line in a file. The sed replace required the current working directory, which starts making the command a bit messy because of the characters that need ...
35
votes
4
answers
72k
views
find and replace with sed with slash in find and replace string
I want to change in file /var/www with /home/lokesh/www with sed command
sed -i 's///var//www///home//lokesh//www/g' lks.php
but this give error
sed: couldn't open file ww///home//lokesh//www/g: No ...
- 31
228
votes
7
answers
723k
views
Using sed to find and replace complex string (preferrably with regex)
I have a file with the following contents:
<username><![CDATA[name]]></username>
<password><![CDATA[password]]></password>
<dbname><![CDATA[name]]></...
- 22.9k
5
votes
2
answers
6k
views
Colorizing tail output with sed
How would I go about colorizing the output of tail with sed?
echo "`tput setaf 1`foo`tput op`" works as expected
echo "foo" | sed -e 's/(foo)/`tput setaf 1`\0`tput op`/g' however, does not.
What am ...
1
vote
2
answers
917
views
Sed can not replace when string contains double quotes
Output error from the execution of sed command:
sed: -e expression #1, char 14: unterminated `s' command
command file that I am trying to execute:
#!/bin/sh
old_version='\"version\": \&...
1
vote
1
answer
435
views
How to insert ESC control characters in a file in FreeBSD?
I want to enclose Fortran comments with two escape commands (ESC+E and ESC+F).
This implies detecting the comment that begins with ! until end of line, and prefixing it with ESC+E and suffixing it ...
- 19k
1
vote
1
answer
2k
views
The differences between sed #, %, / and |
I'm trying to replace a string in database. I found the possible solutions below. Using # or % works to me, but not for / and |. Can anyone explain why the first two works and what the differences are ...
- 36.8k
0
votes
1
answer
90
views
Putting single quote in the begining of column
I have a .txt file with publications for which columns are separated by a single space.
However, titles also have spaces an in order to separate the columns correctly I need to have all titles in ...
- 12.5k
0
votes
1
answer
183
views
How to set sed command correctly
When I try following commands, (I'd like to rewrite sql).
Day='2020/12/1'
Dir=/home/test/data
sql=`cat $Dir"/"$test".sql" | sed -e "s/Day/$Day/g"`
I suffered following ...
- 554k
3
votes
1
answer
9k
views
Escaping backlash and double quotes inside a sed expression (surrounded by double quotes)
$ echo 'output: " ' | sed "s/\"/\"/"
output: "
$ echo 'output: " ' | sed "s/\"/\\\"/"
output: "
$ echo 'output: " ' | sed "s/\&...
- 19k
4
votes
2
answers
20k
views
Escaping ' (single quote) in sed replace string [duplicate]
I have a script that I'm using to perform some iptables changes across servers. In the script I have a sed command to find a string and insert iptables rule before that line.
The problem I'm having ...
- 22.9k
0
votes
1
answer
70
views
Printing all lines between two strings, with one as a user input, using sed [duplicate]
I'm trying to use:
sed -n '/String1/,/String2/p' Filename
to print all lines between String1 and String2. Although I want to add String1 as a user input so,
read $userinput
sed -n '/$userinput/,/...
- 34.2k
1
vote
1
answer
520
views
sed bash script is unexpectedly replacing character with space instead of newline [duplicate]
Using bash command syntax:
echo "The*quick*brown*fox"|sed s/*/\\n/g
I get the desired output:
The
quick
brown
fox
However in script:
IN_TXT="The*quick*brown*fox"
OUT_TXT=$(echo $IN_TXT|sed s/*/\\...
- 339k